Class for drawing 2D primitives using OpenGL 2. More...

#include <vtkOpenGL2ContextDevice2D.h>

Inheritance diagram for vtkOpenGL2ContextDevice2D:

Collaboration diagram for vtkOpenGL2ContextDevice2D:

Public Types
typedef vtkOpenGLContextDevice2D	Superclass

Public Types inherited from vtkOpenGLContextDevice2D
typedef vtkContextDevice2D	Superclass

typedef vtkContextDevice2D	Superclass

Public Types inherited from vtkContextDevice2D
enum	TextureProperty { Nearest = 0x01, Linear = 0x02, Stretch = 0x04, Repeat = 0x08 }

typedef vtkObject	Superclass

Public Member Functions
virtual int	IsA (const char *type)
	Return 1 if this class is the same type of (or a subclass of) the named class. More...

vtkOpenGL2ContextDevice2D *	NewInstance () const

virtual void	PrintSelf (ostream &os, vtkIndent indent)
	Methods invoked by print to print information about the object including superclasses. More...

virtual void	DrawPointSprites (vtkImageData sprite, float points, int n, unsigned char *colors=0, int nc_comps=0)
	Draw a series of point sprites, images centred at the points supplied. More...

virtual void	DrawImage (float p[2], float scale, vtkImageData *image)
	Draw the supplied image at the given x, y (p[0], p[1]) (bottom corner), scaled by scale (1.0 would match the image). More...

void	DrawImage (const vtkRectf &pos, vtkImageData *image)
	Draw the supplied image at the given position. More...

virtual void	ReleaseGraphicsResources (vtkWindow *window)
	Release any graphics resources that are being consumed by this device. More...

Public Member Functions inherited from vtkOpenGLContextDevice2D
vtkOpenGLContextDevice2D *	NewInstance () const

virtual void	DrawPoly (float f, int n, unsigned char colors=0, int nc_comps=0)
	Draw a poly line using the points - fastest code path due to memory layout of the coordinates. More...

virtual void	DrawLines (float f, int n, unsigned char colors=0, int nc_comps=0)
	Draw lines using the points - memory layout is as follows: l1p1,l1p2,l2p1,l2p2... More...

virtual void	DrawPoints (float points, int n, unsigned char colors=0, int nc_comps=0)
	Draw a series of points - fastest code path due to memory layout of the coordinates. More...

virtual void	DrawMarkers (int shape, bool highlight, float points, int n, unsigned char colors=0, int nc_comps=0)
	Draw a series of markers centered at the points supplied. More...

virtual void	DrawQuad (float *points, int n)
	Draws a rectangle. More...

virtual void	DrawQuadStrip (float *points, int n)
	Draws a rectangle. More...

virtual void	DrawPolygon (float *, int)
	Draw a polygon using the specified number of points. More...

virtual void	DrawEllipseWedge (float x, float y, float outRx, float outRy, float inRx, float inRy, float startAngle, float stopAngle)
	Draw an elliptic wedge with center at x, y, outer radii outRx, outRy, inner radii inRx, inRy between angles startAngle and stopAngle (expressed in degrees). More...

virtual void	DrawEllipticArc (float x, float y, float rX, float rY, float startAngle, float stopAngle)
	Draw an elliptic arc with center at x,y with radii rX and rY between angles startAngle and stopAngle (expressed in degrees). More...

virtual void	DrawString (float *point, const vtkStdString &string)
	Draw some text to the screen! More...

virtual void	ComputeStringBounds (const vtkStdString &string, float bounds[4])
	Compute the bounds of the supplied string. More...

virtual void	DrawString (float *point, const vtkUnicodeString &string)
	Draw some text to the screen. More...

virtual void	ComputeStringBounds (const vtkUnicodeString &string, float bounds[4])
	Compute the bounds of the supplied string. More...

virtual void	ComputeJustifiedStringBounds (const char *string, float bounds[4])
	Compute the bounds of the supplied string while taking into account the justification of the currently applied text property. More...

virtual void	DrawMathTextString (float point[2], const vtkStdString &string)
	Draw text using MathText markup for mathematical equations. More...

void	DrawImage (const vtkRectf &pos, vtkImageData *image)
	Draw the supplied image at the given position. More...

virtual void	SetColor4 (unsigned char color[4])
	Set the color for the device using unsigned char of length 4, RGBA. More...

virtual void	SetColor (unsigned char color[3])
	Set the color for the device using unsigned char of length 3, RGB. More...

virtual void	SetTexture (vtkImageData *image, int properties=0)
	Set the texture for the device, it is used to fill the polygons. More...

virtual void	SetPointSize (float size)
	Set the point size for glyphs/sprites. More...

virtual void	SetLineWidth (float width)
	Set the line width for glyphs/sprites. More...

virtual void	SetLineType (int type)
	Set the line type type (using anonymous enum in vtkPen). More...

virtual void	MultiplyMatrix (vtkMatrix3x3 *m)
	Multiply the current model view matrix by the supplied one. More...

virtual void	SetMatrix (vtkMatrix3x3 *m)
	Set the model view matrix for the display. More...

virtual void	GetMatrix (vtkMatrix3x3 *m)
	Set the model view matrix for the display. More...

virtual void	PushMatrix ()
	Push the current matrix onto the stack. More...

virtual void	PopMatrix ()
	Pop the current matrix off of the stack. More...

virtual void	SetClipping (int *x)
	Supply an int array of length 4 with x1, y1, width, height specifying clipping for the display. More...

virtual void	EnableClipping (bool enable)
	Disable clipping of the display. More...

virtual void	Begin (vtkViewport *viewport)
	Begin drawing, pass in the viewport to set up the view. More...

virtual void	End ()
	End drawing, clean up the view. More...

virtual void	BufferIdModeBegin (vtkAbstractContextBufferId *bufferId)
	Start BufferId creation Mode. More...

virtual void	BufferIdModeEnd ()
	Finalize BufferId creation Mode. More...

bool	SetStringRendererToFreeType ()
	Force the use of the freetype based render strategy. More...

bool	SetStringRendererToQt ()
	Force the use of the Qt based string render strategy. More...

bool	HasGLSL ()
	Check whether the current context device has support for GLSL. More...

vtkOpenGLContextDevice2D *	NewInstance () const

virtual void	DrawPoly (float f, int n, unsigned char colors=0, int nc_comps=0)
	Draw a poly line using the points - fastest code path due to memory layout of the coordinates. More...

virtual void	DrawLines (float f, int n, unsigned char colors=0, int nc_comps=0)
	Draw lines using the points - memory layout is as follows: l1p1,l1p2,l2p1,l2p2... More...

virtual void	DrawPoints (float points, int n, unsigned char colors=0, int nc_comps=0)
	Draw a series of points - fastest code path due to memory layout of the coordinates. More...

virtual void	DrawMarkers (int shape, bool highlight, float points, int n, unsigned char colors=0, int nc_comps=0)
	Draw a series of markers centered at the points supplied. More...

virtual void	DrawQuad (float *points, int n)
	Draws a rectangle. More...

virtual void	DrawQuadStrip (float *points, int n)
	Draws a rectangle. More...

virtual void	DrawPolygon (float *, int)
	Draw a polygon using the specified number of points. More...

virtual void	DrawEllipseWedge (float x, float y, float outRx, float outRy, float inRx, float inRy, float startAngle, float stopAngle)
	Draw an elliptic wedge with center at x, y, outer radii outRx, outRy, inner radii inRx, inRy between angles startAngle and stopAngle (expressed in degrees). More...

virtual void	DrawEllipticArc (float x, float y, float rX, float rY, float startAngle, float stopAngle)
	Draw an elliptic arc with center at x,y with radii rX and rY between angles startAngle and stopAngle (expressed in degrees). More...

virtual void	DrawString (float *point, const vtkStdString &string)
	Draw some text to the screen! More...

virtual void	ComputeStringBounds (const vtkStdString &string, float bounds[4])
	Compute the bounds of the supplied string. More...

virtual void	DrawString (float *point, const vtkUnicodeString &string)
	Draw some text to the screen. More...

virtual void	ComputeStringBounds (const vtkUnicodeString &string, float bounds[4])
	Compute the bounds of the supplied string. More...

virtual void	ComputeJustifiedStringBounds (const char *string, float bounds[4])
	Compute the bounds of the supplied string while taking into account the justification of the currently applied text property. More...

virtual void	DrawMathTextString (float point[2], const vtkStdString &string)
	Draw text using MathText markup for mathematical equations. More...

void	DrawImage (const vtkRectf &pos, vtkImageData *image)
	Draw the supplied image at the given position. More...

virtual void	SetColor4 (unsigned char color[4])
	Set the color for the device using unsigned char of length 4, RGBA. More...

virtual void	SetColor (unsigned char color[3])
	Set the color for the device using unsigned char of length 3, RGB. More...

virtual void	SetTexture (vtkImageData *image, int properties=0)
	Set the texture for the device, it is used to fill the polygons. More...

virtual void	SetPointSize (float size)
	Set the point size for glyphs/sprites. More...

virtual void	SetLineWidth (float width)
	Set the line width for glyphs/sprites. More...

virtual void	SetLineType (int type)
	Set the line type type (using anonymous enum in vtkPen). More...

virtual void	MultiplyMatrix (vtkMatrix3x3 *m)
	Multiply the current model view matrix by the supplied one. More...

virtual void	SetMatrix (vtkMatrix3x3 *m)
	Set the model view matrix for the display. More...

virtual void	GetMatrix (vtkMatrix3x3 *m)
	Set the model view matrix for the display. More...

virtual void	PushMatrix ()
	Push the current matrix onto the stack. More...

virtual void	PopMatrix ()
	Pop the current matrix off of the stack. More...

virtual void	SetClipping (int *x)
	Supply an int array of length 4 with x1, y1, x2, y2 specifying clipping for the display. More...

virtual void	EnableClipping (bool enable)
	Disable clipping of the display. More...

virtual void	Begin (vtkViewport *viewport)
	Begin drawing, pass in the viewport to set up the view. More...

virtual void	End ()
	End drawing, clean up the view. More...

virtual void	BufferIdModeBegin (vtkAbstractContextBufferId *bufferId)
	Start BufferId creation Mode. More...

virtual void	BufferIdModeEnd ()
	Finalize BufferId creation Mode. More...

bool	SetStringRendererToFreeType ()
	Force the use of the freetype based render strategy. More...

bool	SetStringRendererToQt ()
	Force the use of the Qt based string render strategy. More...

bool	HasGLSL ()
	Check whether the current context device has support for GLSL. More...

virtual void	SetMaximumMarkerCacheSize (int)
	Adjust the size of the MarkerCache. More...

virtual int	GetMaximumMarkerCacheSize ()
	Adjust the size of the MarkerCache. More...

virtual vtkOpenGLRenderWindow *	GetRenderWindow ()
	Get the active RenderWindow of the device. More...

virtual void	SetMaximumMarkerCacheSize (int)
	Adjust the size of the MarkerCache. More...

virtual int	GetMaximumMarkerCacheSize ()
	Adjust the size of the MarkerCache. More...

virtual vtkOpenGLRenderWindow *	GetRenderWindow ()
	Get the active RenderWindow of the device. More...

vtkMatrix4x4 *	GetProjectionMatrix ()
	Get the projection matrix this is needed. More...

vtkMatrix4x4 *	GetModelMatrix ()
	Get the projection matrix this is needed. More...

Public Member Functions inherited from vtkContextDevice2D
vtkContextDevice2D *	NewInstance () const

virtual void	DrawMathTextString (float *point, const vtkStdString &string)=0
	Draw text using MathText markup for mathematical equations. More...

virtual bool	MathTextIsSupported ()
	Return true if MathText rendering available on this device. More...

virtual void	ApplyPen (vtkPen *pen)
	Apply the supplied pen which controls the outlines of shapes, as well as lines, points and related primitives. More...

virtual void	ApplyBrush (vtkBrush *brush)
	Apply the supplied brush which controls the outlines of shapes, as well as lines, points and related primitives. More...

virtual void	ApplyTextProp (vtkTextProperty *prop)
	Apply the supplied text property which controls how text is rendered. More...

virtual int	GetWidth ()
	Get the width of the device in pixels. More...

virtual int	GetHeight ()
	Get the width of the device in pixels. More...

virtual void	DisableClipping ()
	Disable clipping of the display. More...

virtual bool	GetBufferIdMode () const
	Tell if the device context is in BufferId creation mode. More...

virtual void	SetViewportSize (const vtkVector2i &size)

virtual vtkVector2i	GetViewportSize ()

virtual void	SetViewportRect (const vtkRecti &rect)

virtual vtkRecti	GetViewportRect ()

virtual vtkPen *	GetPen ()
	Get the pen which controls the outlines of shapes, as well as lines, points and related primitives. More...

virtual vtkBrush *	GetBrush ()
	Get the pen which controls the outlines of shapes as well as lines, points and related primitives. More...

virtual vtkTextProperty *	GetTextProp ()
	Get the text properties object for the vtkContext2D. More...

Public Member Functions inherited from vtkObject
	vtkBaseTypeMacro (vtkObject, vtkObjectBase)

virtual void	DebugOn ()
	Turn debugging output on. More...

virtual void	DebugOff ()
	Turn debugging output off. More...

bool	GetDebug ()
	Get the value of the debug flag. More...

void	SetDebug (bool debugFlag)
	Set the value of the debug flag. More...

virtual void	Modified ()
	Update the modification time for this object. More...

virtual vtkMTimeType	GetMTime ()
	Return this object's modified time. More...

void	RemoveObserver (unsigned long tag)

void	RemoveObservers (unsigned long event)

void	RemoveObservers (const char *event)

void	RemoveAllObservers ()

int	HasObserver (unsigned long event)

int	HasObserver (const char *event)

int	InvokeEvent (unsigned long event)

int	InvokeEvent (const char *event)

unsigned long	AddObserver (unsigned long event, vtkCommand *, float priority=0.0f)
	Allow people to add/remove/invoke observers (callbacks) to any VTK object. More...

unsigned long	AddObserver (const char event, vtkCommand , float priority=0.0f)
	Allow people to add/remove/invoke observers (callbacks) to any VTK object. More...

vtkCommand *	GetCommand (unsigned long tag)
	Allow people to add/remove/invoke observers (callbacks) to any VTK object. More...

void	RemoveObserver (vtkCommand *)
	Allow people to add/remove/invoke observers (callbacks) to any VTK object. More...

void	RemoveObservers (unsigned long event, vtkCommand *)
	Allow people to add/remove/invoke observers (callbacks) to any VTK object. More...

void	RemoveObservers (const char event, vtkCommand )
	Allow people to add/remove/invoke observers (callbacks) to any VTK object. More...

int	HasObserver (unsigned long event, vtkCommand *)
	Allow people to add/remove/invoke observers (callbacks) to any VTK object. More...

int	HasObserver (const char event, vtkCommand )
	Allow people to add/remove/invoke observers (callbacks) to any VTK object. More...

template<class U , class T >
unsigned long	AddObserver (unsigned long event, U observer, void(T::*callback)(), float priority=0.0f)
	Overloads to AddObserver that allow developers to add class member functions as callbacks for events. More...

template<class U , class T >
unsigned long	AddObserver (unsigned long event, U observer, void(T::callback)(vtkObject , unsigned long, void *), float priority=0.0f)
	Overloads to AddObserver that allow developers to add class member functions as callbacks for events. More...

template<class U , class T >
unsigned long	AddObserver (unsigned long event, U observer, bool(T::callback)(vtkObject , unsigned long, void *), float priority=0.0f)
	Allow user to set the AbortFlagOn() with the return value of the callback method. More...

int	InvokeEvent (unsigned long event, void *callData)
	This method invokes an event and return whether the event was aborted or not. More...

int	InvokeEvent (const char event, void callData)
	This method invokes an event and return whether the event was aborted or not. More...

Public Member Functions inherited from vtkObjectBase
const char *	GetClassName () const
	Return the class name as a string. More...

virtual void	Delete ()
	Delete a VTK object. More...

virtual void	FastDelete ()
	Delete a reference to this object. More...

void	InitializeObjectBase ()

void	Print (ostream &os)
	Print an object to an ostream. More...

virtual void	Register (vtkObjectBase *o)
	Increase the reference count (mark as used by another object). More...

virtual void	UnRegister (vtkObjectBase *o)
	Decrease the reference count (release by another object). More...

int	GetReferenceCount ()
	Return the current reference count of this object. More...

void	SetReferenceCount (int)
	Sets the reference count. More...

void	PrintRevisions (ostream &)
	Legacy. More...

virtual void	PrintHeader (ostream &os, vtkIndent indent)
	Methods invoked by print to print information about the object including superclasses. More...

virtual void	PrintTrailer (ostream &os, vtkIndent indent)
	Methods invoked by print to print information about the object including superclasses. More...

Static Public Member Functions
static int	IsTypeOf (const char *type)

static vtkOpenGL2ContextDevice2D *	SafeDownCast (vtkObjectBase *o)

static vtkOpenGL2ContextDevice2D *	New ()
	Creates a 2D Painter object. More...

static bool	IsSupported (vtkViewport *viewport)
	Return true if the current rendering context supports this device. More...

Static Public Member Functions inherited from vtkOpenGLContextDevice2D
static int	IsTypeOf (const char *type)

static vtkOpenGLContextDevice2D *	SafeDownCast (vtkObjectBase *o)

static vtkOpenGLContextDevice2D *	New ()
	Creates a 2D Painter object. More...

static int	IsTypeOf (const char *type)

static vtkOpenGLContextDevice2D *	SafeDownCast (vtkObjectBase *o)

static vtkOpenGLContextDevice2D *	New ()
	Creates a 2D Painter object. More...

Static Public Member Functions inherited from vtkContextDevice2D
static int	IsTypeOf (const char *type)

static vtkContextDevice2D *	SafeDownCast (vtkObjectBase *o)

static vtkContextDevice2D *	New ()

Static Public Member Functions inherited from vtkObject
static vtkObject *	New ()
	Create an object with Debug turned off, modified time initialized to zero, and reference counting on. More...

static void	BreakOnError ()
	This method is called when vtkErrorMacro executes. More...

static void	SetGlobalWarningDisplay (int val)
	This is a global flag that controls whether any debug, warning or error messages are displayed. More...

static void	GlobalWarningDisplayOn ()
	This is a global flag that controls whether any debug, warning or error messages are displayed. More...

static void	GlobalWarningDisplayOff ()
	This is a global flag that controls whether any debug, warning or error messages are displayed. More...

static int	GetGlobalWarningDisplay ()
	This is a global flag that controls whether any debug, warning or error messages are displayed. More...

Static Public Member Functions inherited from vtkObjectBase
static vtkTypeBool	IsTypeOf (const char *name)
	Return 1 if this class type is the same type of (or a subclass of) the named class. More...

static vtkObjectBase *	New ()
	Create an object with Debug turned off, modified time initialized to zero, and reference counting on. More...

Protected Member Functions
virtual vtkObjectBase *	NewInstanceInternal () const

	vtkOpenGL2ContextDevice2D ()

virtual	~vtkOpenGL2ContextDevice2D ()

virtual bool	LoadExtensions (vtkOpenGLExtensionManager *m)
	Load the OpenGL extensions we need. More...

Protected Member Functions inherited from vtkOpenGLContextDevice2D
	vtkOpenGLContextDevice2D ()

virtual	~vtkOpenGLContextDevice2D ()

int	GetNumberOfArcIterations (float rX, float rY, float startAngle, float stopAngle)
	Factorized code called by DrawEllipseWedge() and DrawEllipticArc() to figure out the number of iterations required to make an arc smooth. More...

	vtkOpenGLContextDevice2D ()

virtual	~vtkOpenGLContextDevice2D ()

int	GetNumberOfArcIterations (float rX, float rY, float startAngle, float stopAngle)
	Factorized code called by DrawEllipseWedge() and DrawEllipticArc() to figure out the number of iterations required to make an arc smooth. More...

void	ReadyLinesCBOProgram ()

void	ReadyLinesBOProgram ()

void	ReadyVCBOProgram ()

void	ReadyVBOProgram ()

void	ReadyVTBOProgram ()

void	ReadySCBOProgram ()

void	ReadySBOProgram ()

void	SetMatrices (vtkShaderProgram *prog)

void	BuildVBO (vtkOpenGLHelper cbo, float v, int nv, unsigned char coolors, int nc, float tcoords)

void	CoreDrawTriangles (std::vector< float > &tverts)

void	DrawMathTextStringGL2PS (float point[2], const vtkStdString &string)
	Implement DrawMathTextString for the GL2PS exporter. More...

void	AddEllipseToPath (vtkPath *path, float x, float y, float rx, float ry, bool reverse)
	Add an ellipse to a vtkPath. More...

void	TransformPath (vtkPath *path) const
	Transform the path using the current modelview matrix. More...

void	TransformPoint (float &x, float &y) const
	Transform the 2D point using the current modelview matrix. More...

void	TransformSize (float &dx, float &dy) const
	Transform the width and height from pixels to data units. More...

void	DrawMarkersGL2PS (int shape, bool highlight, float points, int n, unsigned char colors, int nc_comps)
	Draw the markers as paths/polydata instead of sprites for detailed GL2PS capture. More...

void	DrawCrossMarkersGL2PS (bool highlight, float points, int n, unsigned char colors, int nc_comps)
	Draw the markers as paths/polydata instead of sprites for detailed GL2PS capture. More...

void	DrawPlusMarkersGL2PS (bool highlight, float points, int n, unsigned char colors, int nc_comps)
	Draw the markers as paths/polydata instead of sprites for detailed GL2PS capture. More...

void	DrawSquareMarkersGL2PS (bool highlight, float points, int n, unsigned char colors, int nc_comps)
	Draw the markers as paths/polydata instead of sprites for detailed GL2PS capture. More...

void	DrawCircleMarkersGL2PS (bool highlight, float points, int n, unsigned char colors, int nc_comps)
	Draw the markers as paths/polydata instead of sprites for detailed GL2PS capture. More...

void	DrawDiamondMarkersGL2PS (bool highlight, float points, int n, unsigned char colors, int nc_comps)
	Draw the markers as paths/polydata instead of sprites for detailed GL2PS capture. More...

void	DrawImageGL2PS (float p[2], vtkImageData *image)
	Embed an RGBA image in the GL2PS output at the supplied point. More...

void	DrawImageGL2PS (float p[2], float scale, vtkImageData *image)
	Embed an RGBA image in the GL2PS output at the supplied point. More...

void	DrawImageGL2PS (const vtkRectf &rect, vtkImageData *image)
	Embed an RGBA image in the GL2PS output at the supplied point. More...

void	DrawCircleGL2PS (float x, float y, float rX, float rY)
	Inject smooth primitives into the GL2PS stream. More...

void	DrawWedgeGL2PS (float x, float y, float outRx, float outRy, float inRx, float inRy)
	Inject smooth primitives into the GL2PS stream. More...

Protected Member Functions inherited from vtkContextDevice2D
	vtkContextDevice2D ()

	~vtkContextDevice2D ()

Protected Member Functions inherited from vtkObject
	vtkObject ()

	~vtkObject () override

void	RegisterInternal (vtkObjectBase *, vtkTypeBool check) override

void	UnRegisterInternal (vtkObjectBase *, vtkTypeBool check) override

void	InternalGrabFocus (vtkCommand mouseEvents, vtkCommand keypressEvents=NULL)
	These methods allow a command to exclusively grab all events. More...

void	InternalReleaseFocus ()
	These methods allow a command to exclusively grab all events. More...

Protected Member Functions inherited from vtkObjectBase
	vtkObjectBase ()

virtual	~vtkObjectBase ()

virtual void	CollectRevisions (ostream &)

virtual void	ReportReferences (vtkGarbageCollector *)

	vtkObjectBase (const vtkObjectBase &)

void	operator= (const vtkObjectBase &)

Additional Inherited Members
Protected Attributes inherited from vtkOpenGLContextDevice2D
int	Geometry [2]
	Store the width and height of the display devicen (in pixels). More...

vtkRenderer *	Renderer
	We need to store a pointer to the renderer for the text rendering. More...

vtkStringToImage *	TextRenderer
	We also need a label render strategy. More...

bool	InRender
	Is the device currently rendering? Prevent multiple End() calls. More...

vtkOpenGLRenderWindow *	RenderWindow
	The OpenGL render window being used by the device. More...

vtkOpenGLHelper *	LinesCBO

vtkOpenGLHelper *	LinesBO

vtkOpenGLHelper *	VCBO

vtkOpenGLHelper *	VBO

vtkOpenGLHelper *	VTBO

vtkOpenGLHelper *	SCBO

vtkOpenGLHelper *	SBO

unsigned short	LinePattern

Private *	Storage

Protected Attributes inherited from vtkContextDevice2D
int	Geometry [2]
	Store the width and height of the device in pixels. More...

vtkVector2i	ViewportSize
	Store the size of the total viewport. More...

vtkRecti	ViewportRect
	Store our origin and size in the total viewport. More...

vtkAbstractContextBufferId *	BufferId

vtkPen *	Pen

vtkBrush *	Brush

vtkTextProperty *	TextProp

Protected Attributes inherited from vtkObject
bool	Debug

vtkTimeStamp	MTime

vtkSubjectHelper *	SubjectHelper

Protected Attributes inherited from vtkObjectBase
vtkAtomicInt32	ReferenceCount

vtkWeakPointerBase **	WeakPointers

Detailed Description

Class for drawing 2D primitives using OpenGL 2.

This class takes care of drawing the 2D primitives for the vtkContext2D class. In general this class should not be used directly, but called by vtkContext2D which takes care of many of the higher level details.

It assumes that OpenGL 2 is available, which is taken care of by the vtkContextActor class. If OpenGL 2 is not available, but OpenGL rendering is required the vtkOpenGLContextDevice2D class should be used (employs GL 1.1).

See also: vtkOpenGLContextDevice2D

Tests:: vtkOpenGL2ContextDevice2D (Tests)

Definition at line 42 of file vtkOpenGL2ContextDevice2D.h.

Member Typedef Documentation

typedef vtkOpenGLContextDevice2D vtkOpenGL2ContextDevice2D::Superclass

Definition at line 46 of file vtkOpenGL2ContextDevice2D.h.

Constructor & Destructor Documentation

vtkOpenGL2ContextDevice2D::vtkOpenGL2ContextDevice2D ( )

protected

virtual vtkOpenGL2ContextDevice2D::~vtkOpenGL2ContextDevice2D ( )

protectedvirtual

Member Function Documentation

static int vtkOpenGL2ContextDevice2D::IsTypeOf ( const char * type )

static

virtual int vtkOpenGL2ContextDevice2D::IsA ( const char * name )

virtual

Return 1 if this class is the same type of (or a subclass of) the named class.

Returns 0 otherwise. This method works in combination with vtkTypeMacro found in vtkSetGet.h.

Reimplemented from vtkOpenGLContextDevice2D.

static vtkOpenGL2ContextDevice2D* vtkOpenGL2ContextDevice2D::SafeDownCast ( vtkObjectBase * o )

static

virtual vtkObjectBase* vtkOpenGL2ContextDevice2D::NewInstanceInternal ( ) const

protectedvirtual

Reimplemented from vtkOpenGLContextDevice2D.

vtkOpenGL2ContextDevice2D* vtkOpenGL2ContextDevice2D::NewInstance ( ) const

virtual void vtkOpenGL2ContextDevice2D::PrintSelf	(	ostream &	os,
		vtkIndent	indent
	)

virtual

Methods invoked by print to print information about the object including superclasses.

Typically not called by the user (use Print() instead) but used in the hierarchical print process to combine the output of several classes.

Reimplemented from vtkOpenGLContextDevice2D.

static vtkOpenGL2ContextDevice2D* vtkOpenGL2ContextDevice2D::New ( )

static

Creates a 2D Painter object.

static bool vtkOpenGL2ContextDevice2D::IsSupported ( vtkViewport * viewport )

static

Return true if the current rendering context supports this device.

virtual void vtkOpenGL2ContextDevice2D::DrawPointSprites	(	vtkImageData *	sprite,
		float *	points,
		int	n,
		unsigned char *	colors = `0`,
		int	nc_comps = `0`
	)

virtual

Draw a series of point sprites, images centred at the points supplied.

The supplied vtkImageData is the sprite to be drawn, only squares will be drawn and the size is set using SetPointSize. Points are colored by colors array which has nc_comps components

Reimplemented from vtkOpenGLContextDevice2D.

virtual void vtkOpenGL2ContextDevice2D::DrawImage	(	float	p[2],
		float	scale,
		vtkImageData *	image
	)

virtual

Draw the supplied image at the given x, y (p[0], p[1]) (bottom corner), scaled by scale (1.0 would match the image).

Reimplemented from vtkOpenGLContextDevice2D.

void vtkOpenGL2ContextDevice2D::DrawImage	(	const vtkRectf &	pos,
		vtkImageData *	image
	)

virtual

Draw the supplied image at the given position.

The origin, width, and height are specified by the supplied vtkRectf variable pos. The image will be drawn scaled to that size.

Implements vtkContextDevice2D.

virtual void vtkOpenGL2ContextDevice2D::ReleaseGraphicsResources ( vtkWindow * window )

virtual

Release any graphics resources that are being consumed by this device.

The parameter window could be used to determine which graphic resources to release.

Reimplemented from vtkOpenGLContextDevice2D.

virtual bool vtkOpenGL2ContextDevice2D::LoadExtensions ( vtkOpenGLExtensionManager * m )

protectedvirtual

Load the OpenGL extensions we need.

Reimplemented from vtkOpenGLContextDevice2D.

The documentation for this class was generated from the following file:

/home/demarle/Builds/VTK/release/Utilities/Doxygen/dox/Rendering/ContextOpenGL/vtkOpenGL2ContextDevice2D.h

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